cache

package

v0.0.0-...-b178995 Latest Latest Go to latest Published: Jul 19, 2020 License: MIT Imports: 7 Imported by: 0

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Package cache implements a disk-backed LRU cache for "big" binary blob

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type Cache struct {
	// contains filtered or unexported fields
}

Cache holds a cache instance, backed by a single file and an in-memory list

func New(dir, name string, maxSize int64) (*Cache, error)

New initializes a new LRU cache

func (c *Cache) Add(key string, value []byte) error

Add adds/updates the given key/value pair

func (c *Cache) Close() error

Close closes the cache

func (c *Cache) Get(key string) ([]byte, bool, error)

Get returns the given key if present

func (c *Cache) Len() int

Len returns the number of items stored

func (c *Cache) Size() int64

Size returns the disk usage of the cache file

func (c *Cache) Stat(key string) (bool, error)

Stat returns true if the key is stored